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What is communication?The transfer of information is the standard definition of communication. The phrase can either be used to describe the message itself or the area of research referred to as communication studies that focuses on these transmissions. There are some differences of opinion regarding the exact definition of communication, such as whether inadvertent or unsuccessful transmissions are included and if communication creates meaning in addition to transmitting it. Communication models seek to give a concise overview of its key elements and how they work together. A common theme among them is the notion that a source use a coding scheme to convey information as a message. They transmit information across a channel to a recipient, who must decode it in order to comprehend its meaning.
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The nurse assesses the heart sounds of a 77-year-old client with chronic heart failure. Which heart sound should the nurse document
If the nurse assesses the heart sounds of a 77-year-old client is one that has chronic heart failure, the heart sound that the nurse document is known as S3 extra heart sound.
What does an extra S3 heart sound mean?The term Third Heart Sound S3 is known to be the outcome or the result obtained from increased atrial pressure that brought about an increased flow rates, and this is one that is often seen in congestive heart failure.
Note that it is one that is said to be the most common cause of a S3 and it is links dilated cardiomyopathy with that of dilated ventricles and it is one that also adds to the sound.
Hence, If the nurse assesses the heart sounds of a 77-year-old client is one that has chronic heart failure, the heart sound that the nurse document is known as S3 extra heart sound.
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44.4% complete Question A hacker, wanting to gain data on organizational ideas and inventions, uses a spear-phishing attack by creating a believable email containing malware and sending it to an executive, who thinks the email is legitimate and opens it, activating the malware. What is the hacker's goal?
The hacker's goal is to infiltrate the system by making their victims see reasons or believe that they will help them to handle or resolve their specific problems.
What is a spear phishing attack?“Spear phishing” is known to be a form of phishing goal that is said to often targets a particular person or group and it is one that do include information that is well known to be of interest to the target.
Note that the hacker's goal is to infiltrate the system by making their victims see reasons or believe that they will help them to handle or resolve their specific problems.
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An object with a density of 871.0 kg/m3 and a mass of 1255.0 kg is thrown into the ocean. Find the volume that sticks out of the water.
The object can only stick out of the water because of the Archimede's principle.
What is the Archimede's principle?Archimedes' principle states that the buoyant force acts vertically and upwards on bodies totally or partially immersed in fluids, moreover, according to this principle, such force has the same value as the weight of the fluid, displaced by the insertion of the body.
With that being said, following the Archimede's principle:
Weight of water displaced by floating object = Weight of object; so
Volume of water displaced = Part below water line; changing values and using the pseawater = [tex]1024kg/m^{3}[/tex]:
[tex]\frac{m}{\rho} \\\\\frac{1255}{1024} = 1,2255859375m^{3}[/tex]
Volume of entire object = [tex]\frac{m}{\rho}[/tex]
[tex]\frac{1255}{871} = 1,4408725603m^{3}[/tex]
Volume that sticks out of the water: Volume of entire object - Volume of water displaced; so: 1,4408725603 - 1,2255859375 = 0,2152866228m3
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A web developer requires an environment to perform application testing. Which cloud service type does the developer choose to use
The cloud service type that the developer choose to use is known to be PaaS.
What is PaaS?Platform as a service (PaaS) is known to be a full development and deployment environment that is seen in the cloud, and it is made up of resources that helps users to deliver a lot of things from simple cloud-based apps to strong, cloud-enabled firm's applications.
Hence, in the case above, The cloud service type that the developer choose to use is known to be PaaS.
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(a). suppose you are going to transmit a packet over osi network model. explain the working of router, gateway and switch. which device will be used if you face an issue of weak signals during transmission? also, mention on which level of osi model these devices will work efficiently. (b). attenuation, distortion and noise are the causes of transmission impairment. what would be the solution or how these causes can be improved.
Answer:
Step 1:
OSI stands for Open Systems Interconnection.
OSI model was developed by the International Organization for Standardization(ISO). It is a reference model for how applications communicate over a network. The OSI model characterizes computing functions into a universal set of rules and requirements in order to support interoperability between different products and software.
The OSI model can be considered as a universal language for computer networking. It is based on the concept of divide and conquers, it splits up the communication system into 7 abstract layers, and the layer is stacked upon the previous layer.
Layers of OSI Model:
OSI model has seven layers which are as follows:
The Physical LayerThe Data Link LayerThe Network LayerThe Transport LayerThe Session LayerThe Presentation LayerThe Application LayerStep 2
Routers – A router is a device like a switch that routes data packets based on their IP addresses. Router is mainly a Network Layer device. Routers normally connect LANs and WANs together and have a dynamically updating routing table based on which they make decisions on routing the data packets. Router divide broadcast domains of hosts connected through it.
Gateway – A gateway, as the name suggests, is a passage to connect two networks together that may work upon different networking models. They basically work as the messenger agents that take data from one system, interpret it, and transfer it to another system. Gateways are also called protocol converters and can operate at any network layer. Gateways are generally more complex than switch or router.
Switch – A switch is a multiport bridge with a buffer and a design that can boost its efficiency(a large number of ports imply less traffic) and performance. A switch is a data link layer device. The switch can perform error checking before forwarding data, that makes it very efficient as it does not forward packets that have errors and forward good packets selectively to correct port only. In other words, switch divides collision domain of hosts, but broadcast domain remains same.
Which device will be used if you face an issue of weak signals during transmission.
Router device will be useful mostly for issue of weak signals during transmissin.
Mention on which level of OSI model these devices will work efficiently.
All these three devices router, gateway and switch work efficiently at hardware layers such as physical layer, datalink layer and network layer.
Step 3
Transmission impairment:
In the data communication system, analog and digital signals go through the transmission medium. Transmission media are not ideal. There are some imperfections in transmission mediums. So, the signals sent through the transmission medium are also not perfect. This imperfection cause signal impairment.
It means that signals that are transmitted at the beginning of the medium are not the same as the signals that are received at the end of the medium that is what is sent is not what is received. These impairments tend to deteriorate the quality of analog and digital signals.
There are three main causes of impairment are,
Attenuation
Distortion
Noise
1.Attenuation:
Here attenuation Means loss of energy that is the weaker signal. Whenever a signal transmitted through a medium it loses its energy, so that it can overcome by the resistance of the medium.
That is why a wire carrying electrical signals gets warm, if not hot, after a while. Some of the electrical energy is converted to heat in the signal.
Amplifiers are used to amplify the signals to compensate for this loss.
2.Distortion:
If a signal changes its form or shape, it is referred to as distortion. Signals made up of different frequencies are composite signals. Distortion occurs in these composite signals.
Each component of frequency has its propagation speed traveling through a medium and therefore, different components have different delay in arriving at the final destination.
It means that signals have different phases at the receiver than they did at the source.
3. Noise:
Noise is another problem. There are some random or unwanted signals mix up with the original signal is called noise. Noises can corrupt the signals in many ways along with the distortion introduced by the transmission media.
Noise may be divided into four categories:
Thermal noiseIntermediation noiseCrosstalkImpulse noisea uniform density sheet of metal is cut into a shape of an isosceles triangle, which is oriented with the base at the bottom and a corner at the top
The horizontal center of mass will be located at the horizontal center of mass will be located on the center line. This is further explained below.
What is Location?Generally, a location or place that is inhabited, open for occupation or distinguished by some distinctive feature: situation The setting of the property contributes significantly to its overall allure.
In conclusion, The center line will serve as the location for the horizontal center of mass, which will be found at the same location as the center line.
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2023 murano’s available intelligent awd adjusts the ________ to help maintain cornering control.
2023 Murano's available intelligent awd adjusts the Torque delivered to the wheels to help maintain cornering control.
How does torque moves wheels?The torque from the engine is known to be that tool that moves a car. A lot of torque can be transferred to the wheels in first gear and it is better than in fifth gear.
Hence, 2023 Murano's available intelligent awd adjusts the Torque delivered to the wheels to help maintain cornering control.
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Many programmers think object-oriented programming is a superior approach to procedural programming. Others think it adds a level of complexity that is not needed in many scenarios. Find and summarize arguments on both sides. With which side do you agree
I agree with the programmers who think object-oriented programming is a superior approach to procedural programming.
Why is OOP better than procedural programming?In terms of Security, Object-oriented programming is said to have more of a secure based than procedural programming, due to the level of abstraction or that is due to data hiding property.
Note that It hinders the access of data to any member functions of the same class and one cannot see a thing like that such as data hiding in the procedural programming framework.
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In linux, an ____ stores everything about a file, except for the filename and the file data.
In Linux, an inode or index node stores everything about a file, except for the filename and the file data.
What is in an inode?An inode is known to be often called index node. This is known to be a data structure that pertains to UNIX operating systems that has all the vital information that is regards to files that are found within a file system.
Not that if a file system is made in UNIX, a set amount of inodes is formed and Linux often uses an index node (or inode) to save all the key or relevant information about a file.
Hence according to the above,In Linux, an inode or index node stores everything about a file, except for the filename and the file data.
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Question 3 options: Abstractions in a BNF description that can have two or more distinct definitions, representing two or more possible syntactic forms in the language.
Abstractions in a BNF description that can have two or more distinct definitions, representing two or more possible syntactic forms in the language and this is known to be Nonterminal symbols.
What are these symbols about?Nonterminal symbols are known to be a kind of symbols that one can be able to replaced.
Note that they are often called simply syntactic variables and as such, Abstractions in a BNF description that can have two or more distinct definitions, representing two or more possible syntactic forms in the language and this is known to be Nonterminal symbols.
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True or false: A many-to-many relationship between classes A and B (where the maximum multiplicity on both sides of the association is *) is implemented by posting foreign keys in both A and B.
A many-to-many relationship between classes A and B (where the maximum multiplicity on both sides of the association is *) is implemented by posting foreign keys in both A and B is a false statement.
What is a many-to-many relationship?A many-to-many relationship is known to be one that exist if one or more items that is found in one table can have an association to one or more items in another given table.
Hence, A many-to-many relationship between classes A and B (where the maximum multiplicity on both sides of the association is *) is implemented by posting foreign keys in both A and B is a false statement.
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Suppose you have an interface called ShakesHands with the following method listed in that interface: public void shakeHands(ShakesHands other); and three classes (Student, Teacher, Parent) all of which implement the ShakesHands interface, determine which of the following code fragments would compile:
The following exercise is about spotting which program or code fragment would compile and that which would not.
What is a code fragment?A code fragment is a minor or irrelevant section of the source code (determined in relation to the functionality of the Work Product as a whole).
In order to provide a product that is functionally identical to the Work Product including such Code Fragments, the Service Provider will not mix Code Fragments.
What does it mean to compile?
When a piece of code is compiled, it signifies that it has been transformed into machine code or another lower-level form that allows the program to run.
Which fragments will compile?
ShakeHands x = new ShakeHands();
This won't compile because there was no instantiation of the Interfaces.
ShakeHands x = new Student();
Because this is a valid and legal statement, it will definitely compile.
Student x = new ShakeHands();
This will not compile. The reason is that Student and Teacher are two different objects. The only thing these two classes have in common is that they both implement the ShakeHands interface, but even then, unless Student and Teacher are parent/child classes, they cannot be paired up.
ShakeHands x;
x=new Student();
x=new Teacher();
x=new Parent();
All of the aforementioned claims are true since they are all lawful. Since the ShakeHands interface is implemented by the Student, Teacher, and Parent classes, any child class's objects may be initialized using the ShakeHands class reference or object.
It is to be noted that can access only shakeHands() method defined in ShakeHands interface.
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When we determine the age of the universe using the Hubble Time, what important simplifying assumption goes into our calculations
The factor that is important in simplifying assumption that goes into our calculations is:
Option a. that the expansion of the universe has been happening at the same rate - neither speeding up or slowing down.What is Hubble time?The Hubble time is known to be a form of an estimate that is given to the age of the universe and it is one that is often based on the Hubble constant.
Note therefore, The factor that is important in simplifying assumption that goes into our calculations is:
Option a. that the expansion of the universe has been happening at the same rate - neither speeding up or slowing down.See full question below
When we determine the age of the universe using the Hubble Time (1/H0), what important simplifying assumption goes into our calculations?
a. that the expansion of the universe has been happening at the same rate - neither speeding up or slowing down
b. that all the galaxies are moving away from us at exactly the same speed, no matter how far away they are
c. that the cosmological principle doesn't hold: the universe is not isotropic and homogeneous
d. that we have accounted correctly for the effects of dark energy e. that the universe is actually contracting instead of expanding
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Why are digital computers more popular these days?
Answer:
The small size of the transistor, its greater reliability, and its relatively low power consumption made it vastly superior to the tube.
Frankie used the ps command to find the process id of an application that he needs to stop. What command-line tool should he use to stop the application based on its process id?
In the case above, the command-line tool should he use to stop the application based on its process id is e option
What is the use of ps command?
The ps command is known to be one that helps enables a person to be able to look at the status of any kind of active processes on a system, and also that of display technical information in regards to the processes.
Note that In the case above, the command-line tool should he use to stop the application based on its process id is e option
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Multiple Select
It is important to be polite to people when you are online because
it reflects your level of professionalism
it helps build a good reputation
you can be fined if you are impolite
it says a lot about your character
you must avoid getting into trouble
Select 3 options.
It is important to be polite to people when you are online because
it reflects your level of professionalism.it helps build a good reputation.it says a lot about your character.What is online presence?Online presence is said to be the numbers or all activity and content that an individual or a business entails under their name in regards to the internet.
Note that It is important to be polite to people when you are online because
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You use a custom application that was developed in-house. On a periodic basis, the application writes or modifies several registry entries. You want to monitor these registry keys so that you can create a report that shows their corresponding settings over the next 5 days. What should you do
In the case above, the right thing that a person should do is to Configure a configuration data collector in the Performance Monitor.
What does a Performance Monitor do?The Microsoft Windows is known to have a Performance Monitor and this is known to be a tool that is one where the administrators often use to evaluate how programs functions on their computers influence the computer's performance.
Note that this tool is one that can be used in real time and therefore, In the case above, the right thing that a person should do is to Configure a configuration data collector in the Performance Monitor.
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Canvas allows instructors to utilize powerful edtech apps to create dynamic learning environments for their students. In canvas, apps are identified as.
In canvas, apps are identified as:
LTIs External ToolsWhat are Canvas External Tools?An External Tool is one that helps Canvas users along with the use of LTI learning resources and activities gotten from other websites and academic technologies.
Note that Canvas is known to have a unique features that are said to be available so that one can link to courses such as external tools.
Hence, In canvas, apps are identified as:
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Write a while loop that adds 5 to userNum while userNum is less than 20, displaying the result after each addition. Ex: For userNum
Using the computational knowledge in JAVA it is possible to write a code that Write a while loop that adds 5 to userNum while userNum
Writting the code in JAVA:// declaring variable userNum
var userNum = 5;
// variable ans to store all answers and print them in single line
// (as expected in sample output)
var ans = "";
// while loop, while userNum is <= 20
// (to get output 25 on screen, we need to run loop till less-than-equal)
while(userNum <= 20) {
userNum += 5;
ans += userNum + " ";
}
// displaying final output on console
console.log(ans);
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How do budget constraints, even for the largest game design companies, affect the development schedule for a game development team? If you were building the budget for a proposed game, where would you allocate the most money? Defend your decision, explaining why this stage of the design to the production process is supported with the largest percentage of budget funds. pls help
Budget constraints affect the development schedule for a game as its includes
Technical bugs or some forms of limitations. A game that has pre-existing Intellectual Property (IP). When there is Limited resources and othersWhat is game development?This is known to be the act of making games. Know that the feature listed above can affect:
The time for the release of the gameLegal issuesFinancial loss and others.Hence, Budget constraints affect the development schedule for a game as its includes
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Create a conditional expression that evaluates to string negative if user_val is less than 0, and non-negative otherwise.
Answer: I am supposed to write a few lines of code to create a conditional expression (ternary operation) that evaluates to string "negative" if user_val is less than 0 and "non-negative" if 0 or greater than 0.
The code I currently have prints "negative" when the number is less than zero but when a number 0 or greater is assigned to user_val it doesn't print "non-negative."
Your team at amazon is overseeing the design of a new high-efficiency data center at hq2. a power grid need to be generated for supplying power to n servers. all servers in the grid have to be connected such that they have access to power. the cost of connections between different servers varies. assume that there are no ties, names of servers are unique, connections are directionless, there is at most one connection between a pair of servers, all costs are greater than zero, and a server does not connect to itself. write an algorithm to minimize the cost of connecting all servers in the power grid. input two arguments - num, an integer representing number of connections. connectons, representing a list of connections where each element of the list consists of two servers and the cost of connection between the servers. note: the cost of connection between the servers is always greater than 0.
example input num = 5 connection = [[a,b,1], [b,c,4], [b,d,6], [d,e,5], [c,e,1]]
output [[a,b,1], [b,c,4], [c,e,1], [d,e,5]]
Answer:
void print2(int row) {
for (int i = 0; i < row; i++) {
char ch = 'a';
char print = ch;
for (int j = 0; j <= i; j++) {
cout << print++;
}
cout << endl;
}
}
int count_digits(int num) {
int count = 0;
int temp = num;
while (temp != 0) {
temp = temp / 10;
count++;
}
return (num % count);
}
Explanation:
If you try to add a new item to a full stack the resulting condition is called a(n)?
Answer:
it's called an overflow
If an algorithm created to help make hiring decisions is based on previous unfair decisions, then the algorithm may be
If an algorithm created to help make hiring decisions is based on previous unfair decisions, then the algorithm may be flawed.
What are algorithms being used for?Algorithms are known to be tools that are made to help in calculation, data processing, and a kind of automated reasoning.
Hence, If an algorithm created to help make hiring decisions is based on previous unfair decisions, then the algorithm may be flawed.
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Answer:
biased
Explanation:
A piece of rigging hardware used to couple the end of a wire rope to eye fittings, hooks, or other connections is a(n)?
A piece of rigging hardware used to couple the end of a wire rope to eye fittings, hooks, or other connections is a(n) hitch.
What is Hardware?This is referred to as the physical components of a computer or electronic system and can be seen or felt and examples include keyboard, mouse etc.
The hitch is a rigging hardware which consists of a shank and ball platform used for various types of function such as coupling the end of a wire rope to eye fittings , towing etc. This therefore ensures they are well attached and less likely to remove or fall off thereby makes it the most appropriate choice.
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You wish to use your personal laptop computer at work, but the it department folks will not allow this. the likely reason is that ______.
Answer: Your non-work related use of a laptop could increase vulnerability.
Explanation: Vulnerability is one of the most important and stressed out section in IT, so it's best to decrease that possibility whenever!
I hope this helps!
The _________ tag allows a web page to include interactive content, which the browser assumes to be javascript unless indicated otherwise.
The <script> tag allows a web page to include interactive content, which the browser assumes to be javascript unless indicated otherwise.
What is a script tag?The <script> tag is known to be a tool that is often employed or used in regards of or to embed a client-side script (JavaScript).
Hence, The <script> tag allows a web page to include interactive content, which the browser assumes to be javascript unless indicated otherwise.
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Write the removeevens() method, which receives an array of integers as a parameter and returns a new array of integers containing only the odd numbers from the original array. the main program outputs values of the returned array.
hint: if the original array has even numbers, then the new array will be smaller in length than the original array and should have no blank element.
ex: if the array passed to the removeevens() method is [1, 2, 3, 4, 5, 6, 7, 8, 9], then the method returns and the program output is:
[1, 3, 5, 7, 9]
ex: if the array passed to the removeevens() method is [1, 9, 3], then the method returns and the program output is:
[1, 9, 3]
lab: remove all even numbers from an array
labprogram.java l.
1 import java.util.arrays;
2
3 public class labprogram {
4
5 public static int[] removeevens(int [] nums) {
6
7
8 }
9
10 public static void main(string[] args) {
11
12 int [] input {1,2,3,4,5,6,7,8,9};
13 int [] result = removeevens(input);
14
15 // helper method arrays.tostring() converts int[] to a string
16 system.out.println(arrays.tostring(result)); // should print [1, 3, 5, 7, 9]
17 }
18 }
Answer:
import java.util.*;
import java.util.Arrays;
public class LabProgram
{
// called function
public static int[] removeEvens(int [] nums)
{
// calculates the length of array
int len = nums.length;
int j=0;
// loop to keep count how many odd are there in array
for(int i=0;i<len;i++)
{
// condition for odd
if(nums[i]%2!=0)
{
// keeps count of odd
j++;
}
}
// declaration of array for odd nums
int newarray[] = new int[j];
j = 0;
// loop
for(int i=0;i<len;i++)
{
// condition for odd
if(nums[i]%2!=0)
{
// assigning odd number to new array
newarray[j] = nums[i];
// increment of j
j++;
}
}
// returning new array
return newarray;
}
// main program
public static void main(String[] args)
{
// array declaration
int [] input = {1,2,3,4,5,6,7,8,9};
// calling a function, passing the paramtere
int [] result = removeEvens(input);
//
System.out.println(Arrays.toString(result));
}
}
Explanation:
When using sftp to share files, what is encrypted in addition to the authentification information?.
In using SFTP to share files, the encryption in addition to the authentication information is seen in the user's email address.
What is authentication information?Authentication Information is known to be that which tells about the usernames, passwords, electronic certificates, etc., that a one can use to know or be assured of a User's true identity.
Note that In using SFTP to share files, the encryption in addition to the authentication information is seen in the user's email address.
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Program ________ graphically present the detailed sequence of steps needed to solve a programming problem.
i. flowcharts
ii.pseudocode
iii. loops
iv. modules
Software program flowcharts graphically present the detailed sequence of steps needed to solve a programming problem.
What is a flowchart?A flowchart is also referred to as flow diagram and it can be defined as a graphical representation of an algorithm for a work process or workflow.
This ultimately implies that, a flowchart make use of the following standard symbols to graphically represent the sequential steps that are needed to solve a programming problem and are typically associated with a system, work process or workflow i.e from the beginning (start) to the end (finish):
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Program flowchart graphically present the detailed sequence of steps needed to solve a programming problem.
What is Program flowchart?
The program flowchart can be regarded as the data flow which help to display the data flow while writing a program or algorithm.
This chart user to explain the process quickly when dealing or collaborating with others, hence, Program flowchart graphically present the detailed sequence of steps needed to solve a programming problem.
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